Nibco B350350 Cast Copper Bulkhead Fitting 3/4 in C X C

Product Description

The NIBCO B350350 is a cast copper bulkhead fitting designed to provide a secure, pressure-rated through-wall connection in copper piping systems. This 3/4-inch fitting uses a C x C (copper-to-copper) sweat end connection on both sides, allowing it to be soldered directly into the piping run. It is manufactured from cast copper and meets ASTM B584 and ISO standards, making it suitable for pressure service in potable water, HVAC, and plumbing applications. Licensed plumbers and pipefitters are the primary installers of this fitting, typically in applications where a pipe must pass through a tank wall, panel, or bulkhead while maintaining a sealed, pressure-rated joint.

This bulkhead fitting is appropriate for residential and light commercial plumbing and hydronic systems where a watertight, pressure-rated penetration is required. It is well suited for installations involving storage tanks, manifold enclosures, and mechanical room panels. The C x C end connection means both sides accept standard copper tubing and are joined by soldering, consistent with common copper pipe practices. No compatibility with specific model numbers or system families was stated in the product data.

Key Features

• Cast copper construction meets ASTM B584 and ISO standards for pressure service
• 3/4-inch fitting size with C x C sweat connections on both ends
• Pressure fitting style rated for in-line pressure service through walls or panels
• Sold as individual unit with no minimum order beyond single quantity
• Compact, durable cast construction resists corrosion in wet service environments

Compatibility

Designed as an OEM-style replacement and standard-fit bulkhead fitting for copper piping systems requiring a 3/4-inch C x C pressure-rated through-wall connection.

Installation Notes

This fitting is installed by licensed plumbers using standard copper sweat-soldering techniques. Shut off water supply and depressurize the system completely before cutting into the line or drilling the bulkhead panel. Clean and flux all mating surfaces per ASTM and local plumbing code requirements before applying heat. Consult applicable IPC or local plumbing codes for pressure ratings and inspection requirements in your jurisdiction.